Home / 57,306,400.20-79,131,985.92-55,453,301.28

Finding the Fourth Proportional to 57,306,400.20, 79,131,985.92 and 55,453,301.28

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Solution

The fourth proportional to 57,306,400.20, 79,131,985.92 and 55,453,301.28 is: 76,573,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306,400.20 : 79,131,985.92 = 55,453,301.28 : x
  2. Step 2: Convert to fraction form
    57,306,400.20/79,131,985.92 = 55,453,301.28/x
  3. Step 3: Cross multiply
    57,306,400.20x = 79,131,985.92 × 55,453,301.28
  4. Step 4: Simplify right side
    57,306,400.20x = 4,388,129,856,106,478
  5. Step 5: Solve for x
    x = 4,388,129,856,106,478/57,306,400.20
  6. Step 6: Final answer
    x = 76,573,119.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.